Cryptology ePrint Archive: BibTeX Citation of Report 2015/326

@misc{cryptoeprint:2015:326,
    author = {Saeideh Kabirirad and  Hamideh Hajiabadi},
    title = {Cryptanalysis Of An Authenticated Image Encryption Scheme Based On Chaotic Maps And Memory Cellular Automata},
    howpublished = {Cryptology ePrint Archive, Report 2015/326},
    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.