%% You should probably cite rfc7998 instead of this I-D.
@techreport{iab-rfcv3-preptool-02,
    number =    {draft-iab-rfcv3-preptool-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-iab-rfcv3-preptool/02/},
    author =    {Paul E. Hoffman and Joe Hildebrand},
    title =     {{"xml2rfc" Version 3 Preparation Tool Description}},
    pagetotal = 18,
    year =      2016,
    month =     jun,
    day =       30,
    abstract =  {This document describes some aspects of the "prep tool" that is expected to be created when the new xml2rfc version 3 specification is deployed.},
}