%% You should probably cite draft-ietf-ospf-ospfv3-lsa-extend instead of this I-D.
@techreport{acee-ospfv3-lsa-extend-00,
    number =    {draft-acee-ospfv3-lsa-extend-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-acee-ospfv3-lsa-extend/00/},
    author =    {Acee Lindem and Sina Mirtorabi and Abhay Roy and Fred Baker},
    title =     {{OSPFv3 LSA Extendibility}},
    pagetotal = 27,
    year =      2013,
    month =     may,
    day =       1,
    abstract =  {OSPFv3 requires functional extension beyond what can be done with the fixed Link State Advertisement (LSA) format as described in RFC 5340. This document extends the LSA format by allowing the optional inclusion of Type-Length-Value (TLV) tuples in the LSAs. It also covers all the aspects of backward compatibility.},
}