Cryptology ePrint Archive: BibTeX Citation of Report 2007/402

@misc{cryptoeprint:2007:402,
    author = {Mike Burmester and Breno de Medeiros and Rossana Motta},
    title = {Robust, Anonymous RFID Authentication with Constant Key-Lookup},
    howpublished = {Cryptology ePrint Archive, Report 2007/402},
    year = {2007},
    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.