%% You should probably cite rfc6194 instead of this I-D.
@techreport{turner-sha0-sha1-seccon-05,
    number =    {draft-turner-sha0-sha1-seccon-05},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-turner-sha0-sha1-seccon/05/},
    author =    {Tim Polk and Sean Turner and Paul E. Hoffman},
    title =     {{Security Considerations for the SHA-0 and SHA-1 Message-Digest Algorithms}},
    pagetotal = 7,
    year =      2011,
    month =     feb,
    day =       3,
    abstract =  {This document includes security considerations for the SHA-0 and SHA-1 message digest algorithm. This document is not an Internet Standards Track specification; it is published for informational purposes.},
}