Cryptology ePrint Archive: BibTeX Citation of Report 2015/493

@misc{cryptoeprint:2015:493,
    author = {Sikhar Patranabis and Abhishek Chakraborty and Debdeep Mukhopadhyay},
    title = {Fault Tolerant Infective Countermeasure for AES},
    howpublished = {Cryptology ePrint Archive, Report 2015/493},
    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.