psi2 method
Implementation
G2NativeProjective psi2() {
// 1 / ((u+1) ^ ((q-1)/3))
final coeffX = Bls12NativeFp2(
c0: Bls12NativeFp.nP(
BigInt.parse(
"4002409555221667392624310435006688643935503118305586438271171395842971157480381377015405980053539358417135540939436",
),
),
c1: Bls12NativeFp.zero(),
);
return G2NativeProjective(x: x * coeffX, y: -y, z: z);
}