@misc{cryptoeprint:2009:003,
    author = {L. H. Nguyen and A. W. Roscoe},
    title = {Separating two roles of hashing in one-way message authentication},
    howpublished = {Cryptology ePrint Archive, Report 2009/003},
    year = {2009},
    url = {http://eprint.iacr.org/2009/003},
}