Cryptology ePrint Archive: BibTeX Citation of Report 2016/578

    author       = {Viet Tung Hoang and
		    Stefano Tessaro},
    title        = {Key-alternating Ciphers and Key-length Extension: Exact Bounds and Multi-user Security},
    howpublished = {Cryptology ePrint Archive, Report 2016/578},
    year         = {2016},
    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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