%% You should probably cite rfc2186 instead of this I-D.
@techreport{wessels-icp-v2-02,
    number =    {draft-wessels-icp-v2-02},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-wessels-icp-v2/02/},
    author =    {Dr. Kimberly Claffy and Duane Wessels},
    title =     {{Internet Cache Protocol (ICP), version 2}},
    pagetotal = 9,
    year =      1997,
    month =     apr,
    day =       23,
    abstract =  {This document describes version 2 of the Internet Cache Protocol (ICPv2) as currently implemented in two World-Wide Web proxy cache packages. This memo provides information for the Internet community. This memo does not specify an Internet standard of any kind.},
}