Cryptology ePrint Archive: BibTeX Citation of Report 2013/456

    author = {Purushothama B R and  B B Amberker},
    title = {On the Security of Group-based Proxy Re-encryption Scheme},
    howpublished = {Cryptology ePrint Archive, Report 2013/456},
    year = {2013},
    note = {\url{}},

You will need the url.sty package (comes with most LaTeX installations) for the last line. Otherwise, remove the \url command.

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