@misc{cryptoeprint:2010:338,
    author = {Joppe W. Bos and Thorsten Kleinjung and Arjen K. Lenstra and Peter L. Montgomery},
    title = {Pushing the Limits of ECM},
    howpublished = {Cryptology ePrint Archive, Report 2010/338},
    year = {2010},
    url = {http://eprint.iacr.org/2010/338},
}