%% You should probably cite rfc3174 instead of this I-D.
@techreport{eastlake-sha1-02,
    number =    {draft-eastlake-sha1-02},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-eastlake-sha1/02/},
    author =    {Donald E. Eastlake 3rd and Paul Jones},
    title =     {{US Secure Hash Algorithm 1 (SHA1)}},
    pagetotal = 22,
    year =      2001,
    month =     apr,
    day =       25,
    abstract =  {The purpose of this document is to make the SHA-1 (Secure Hash Algorithm 1) hash algorithm conveniently available to the Internet community. This memo provides information for the Internet community.},
}