%% You should probably cite draft-ietf-idr-rt-derived-community instead of this I-D.
@techreport{zzhang-idr-rt-derived-community-04,
    number =    {draft-zzhang-idr-rt-derived-community-04},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-zzhang-idr-rt-derived-community/04/},
    author =    {Zhaohui (Jeffrey) Zhang and Jeffrey Haas and Keyur Patel},
    title =     {{Extended Communities Derived from Route Targets}},
    pagetotal = 7,
    year =      2023,
    month =     feb,
    day =       7,
    abstract =  {This document specifies a way to derive an Extended Community from a Route Target and describes some example use cases.},
}