@misc{cryptoeprint:2008:231,
    author = {Jose Carrijo and Rafael Tonicelli and Hideki Imai and Anderson C A Nascimento},
    title = {A Novel Probabilistic Passive Attack on the Protocols HB and HB+},
    howpublished = {Cryptology ePrint Archive, Report 2008/231},
    year = {2008},
    url = {http://eprint.iacr.org/2008/231},
}