%% You should probably cite rfc2471 instead of this I-D.
@techreport{ietf-ipngwg-testv2-addralloc-00,
    number =    {draft-ietf-ipngwg-testv2-addralloc-00},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-ipngwg-testv2-addralloc/00/},
    author =    {Robert L. Fink and Bob Hinden and Dr. Jon Postel},
    title =     {{IPv6 Testing Address Allocation}},
    pagetotal = 5,
    year =      1997,
    month =     may,
    day =       27,
    abstract =  {This document describes an allocation plan for IPv6 addresses to be used in testing IPv6 prototype software. This memo defines an Experimental Protocol for the Internet community.},
}