%% You should probably cite rfc6318 instead of this I-D.
@techreport{housley-rfc5008bis-01,
    number =    {draft-housley-rfc5008bis-01},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-housley-rfc5008bis/01/},
    author =    {Jerome Solinas and Russ Housley},
    title =     {{Suite B in Secure/Multipurpose Internet Mail Extensions (S/MIME)}},
    pagetotal = 15,
    year =      2011,
    month =     apr,
    day =       25,
    abstract =  {This document specifies the conventions for using the United States National Security Agency's Suite B algorithms in Secure/Multipurpose Internet Mail Extensions (S/MIME) as specified in RFC 5751. This document obsoletes RFC 5008. This document is not an Internet Standards Track specification; it is published for informational purposes.},
}