@misc{cryptoeprint:2004:207,
    author = {Philip Hawkes and Michael Paddon and Gregory G. Rose},
    title = {On Corrective Patterns for the SHA-2 Family},
    howpublished = {Cryptology ePrint Archive, Report 2004/207},
    year = {2004},
    url = {http://eprint.iacr.org/2004/207},
}