Bls12-377-scalar-field-prime
The prime r.
The prime r is the scalar field size of
the curve E_{BLS}, and is also the base field size of
the twisted Edwards curve E_{Ed/BLS}.
r is computed from the
parameter x:
Figure 16 of the Zexe paper lists its value in hexadecimal:
0x12ab655e9a2ca55660b44d1e5c37b00159aa76fed00000010a11800000000001
