Cryptology ePrint Archive: BibTeX Citation of Report 2015/069

@misc{cryptoeprint:2015:069,
    author = {Benoît Cogliati and Yannick Seurin},
    title = {On the Provable Security of the Iterated Even-Mansour Cipher against Related-Key and Chosen-Key Attacks},
    howpublished = {Cryptology ePrint Archive, Report 2015/069},
    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.