Cryptology ePrint Archive: BibTeX Citation of Report 2011/167

@misc{cryptoeprint:2011:167,
    author = {Yalin Chen, Jue-Sam Chou, Cheng-Lun Wu, Chi-Fong Lin},
    title = {Identifying Large-Scale RFID Tags Using Non-Cryptographic Approach},
    howpublished = {Cryptology ePrint Archive, Report 2011/167},
    year = {2011},
    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.