%% You should probably cite draft-irtf-cfrg-ocb instead of this I-D.
@techreport{krovetz-ocb-04,
    number =    {draft-krovetz-ocb-04},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-krovetz-ocb/04/},
    author =    {Ted Krovetz and Phillip Rogaway},
    title =     {{The OCB Authenticated-Encryption Algorithm}},
    pagetotal = 17,
    year =      2012,
    month =     jul,
    day =       16,
    abstract =  {This document specifies OCB, a shared-key blockcipher-based encryption scheme that provides privacy and authenticity for plaintexts and authenticity for associated data.},
}