%% You should probably cite rfc4581 instead of this I-D.
@techreport{bagnulo-cga-ext-02,
    number =    {draft-bagnulo-cga-ext-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-bagnulo-cga-ext/02/},
    author =    {Jari Arkko and Marcelo Bagnulo},
    title =     {{Cryptographically Generated Addresses (CGA) Extension Field Format}},
    pagetotal = 4,
    year =      2006,
    month =     mar,
    day =       23,
    abstract =  {This document defines a Type-Length-Value format for Cryptographically Generated Address (CGA) Extensions. This document updates RFC 3972. {[}STANDARDS-TRACK{]}},
}