Cryptology ePrint Archive: BibTeX Citation of Report 2015/861

@misc{cryptoeprint:2015:861,
    author = {Chun Guo and Dongdai Lin},
    title = {A Synthetic Indifferentiability Analysis of Interleaved Double-Key Even-Mansour Ciphers},
    howpublished = {Cryptology ePrint Archive, Report 2015/861},
    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.