Cryptology ePrint Archive: BibTeX Citation of Report 2013/295

@misc{cryptoeprint:2013:295,
    author = {Micka\"el Cazorla and Kevin Marquet and Marine Minier},
    title = {Survey and Benchmark of Lightweight Block Ciphers for Wireless Sensor Networks},
    howpublished = {Cryptology ePrint Archive, Report 2013/295},
    year = {2013},
    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.