| 1 | initial version |
To solve the problem you state first:
sage: E=EllipticCurve(GF(p),[1,0])
sage: Ek=E.base_extend(F8)
sage: Ek.quadratic_twist()
Copyright Sage, 2010. Some rights reserved under creative commons license. Content on this site is licensed under a Creative Commons Attribution Share Alike 3.0 license.