Cryptology ePrint Archive: BibTeX Citation of Report 2015/225

@misc{cryptoeprint:2015:225,
    author = {S. M. Dehnavi and A. Mahmoodi Rishakani and M. R. Mirzaee Shamsabad},
    title = {Bitwise Linear Mappings with Good Cryptographic Properties and Efficient Implementation},
    howpublished = {Cryptology ePrint Archive, Report 2015/225},
    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.