Tweedledum pairing friendly curve from https://github.com/daira/tweedle.

Parameters

SAGE

p = 0x40000000000000000000000000000000038aa1276c3f59b9a14064e200000001
K = GF(p)
a = K(0x00)
b = K(0x05)
E = EllipticCurve(K, (a, b))
G = E(0x40000000000000000000000000000000038aa1276c3f59b9a14064e200000000, 0x02)
E.set_order(0x40000000000000000000000000000000038aa127696286c9842cafd400000001 * 0x01)

PARI/GP

p = 0x40000000000000000000000000000000038aa1276c3f59b9a14064e200000001
a = Mod(0x00, p)
b = Mod(0x05, p)
E = ellinit([a, b])
E[16][1] = 0x40000000000000000000000000000000038aa127696286c9842cafd400000001 * 0x01
G = [Mod(0x40000000000000000000000000000000038aa1276c3f59b9a14064e200000000, p), Mod(0x02, p)]

JSON

{
  "name": "Tweedledum",
  "desc": "Tweedledum pairing friendly curve from <https://github.com/daira/tweedle>.",
  "form": "Weierstrass",
  "field": {
    "type": "Prime",
    "p": "0x40000000000000000000000000000000038aa1276c3f59b9a14064e200000001",
    "bits": 255
  },
  "params": {
    "a": {
      "raw": "0x00"
    },
    "b": {
      "raw": "0x05"
    }
  },
  "generator": {
    "x": {
      "raw": "0x40000000000000000000000000000000038aa1276c3f59b9a14064e200000000"
    },
    "y": {
      "raw": "0x02"
    }
  },
  "order": "0x40000000000000000000000000000000038aa127696286c9842cafd400000001",
  "cofactor": "0x01"
}