Phi

Alex Kruppa has written a small (but growing) program, licensed under the GPL, called 'phi', for generating SNFS polynomials for use with GGNFS or msieve. It can currently produce correct polys for cyclotomic numbers (eg Cunningham Project) and 'Homogeneous' Cunninghams. Search for the source code (written in 'C', and using GMP) in the factoring section of the mersenneforum.