@inproceedings{1996-cowie ,author={James Cowie and Bruce Dodson and R.-Marije Elkenbracht-Huizing and Arjen K. Lenstra and Peter L. Montgomery and Joerg Zayer} ,crossref={1996-kim} ,pages={382--394} ,title={{A World Wide number field sieve factoring record: on to 512 bits}} ,year={1996} }