Cryptology ePrint Archive: BibTeX Citation of Report 2011/618

@misc{cryptoeprint:2011:618,
    author = {Lishoy Francis and Gerhard Hancke and Keith Mayes and Konstantinos Markantonakis},
    title = {Practical Relay Attack on Contactless Transactions by Using NFC Mobile Phones},
    howpublished = {Cryptology ePrint Archive, Report 2011/618},
    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.