Cryptology ePrint Archive: BibTeX Citation of Report 2008/042

@misc{cryptoeprint:2008:042,
    author = {Julien Bringer and Herve Chabanne},
    title = {Trusted-HB: a low-cost version of HB+ secure against Man-in-The-Middle attacks},
    howpublished = {Cryptology ePrint Archive, Report 2008/042},
    year = {2008},
    note = {\url{http://eprint.iacr.org/}},
}

You will need the url.sty package (comes with most LaTeX installations) for the last line. Otherwise, remove the \url command.