Cryptology ePrint Archive: BibTeX Citation of Report 2015/161

@misc{cryptoeprint:2015:161,
    author = {Valentina Banciu and Elisabeth Oswald and Carolyn Whitnall},
    title = {Exploring the Resilience of Some Lightweight Ciphers Against Profiled Single Trace Attacks},
    howpublished = {Cryptology ePrint Archive, Report 2015/161},
    year = {2015},
    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.