The starknet-curve crate contains a few useful parameters for the STARK curve defined as:
y^2 = x^3 + alpha * x + beta
where:
alpha=0x0000000000000000000000000000000000000000000000000000000000000001beta=0x06f21413efbe40de150e596d72f7a8c5609ad26c15c915c1f4cdfcb99cee9e89