@misc{cryptoeprint:2007:205,
    author = {Kazumaro Aoki and Jens Franke and Thorsten Kleinjung and Arjen Lenstra and Dag Arne Osvik},
    title = {A kilobit special number field sieve factorization},
    howpublished = {Cryptology ePrint Archive, Report 2007/205},
    year = {2007},
    url = {http://eprint.iacr.org/2007/205},
}