Cryptology ePrint Archive: BibTeX Citation of Report 2014/280

@misc{cryptoeprint:2014:280,
    author = {Rajul Kumar and K. K. Mishra and Ashish Tripathi and Abhinav Tomar and Surendra Singh},
    title = {MSEA: Modified Symmetric Encryption Algorithm},
    howpublished = {Cryptology ePrint Archive, Report 2014/280},
    year = {2014},
    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.