%% You should probably cite rfc9017 instead of this I-D.
@techreport{ietf-mpls-spl-terminology-02,
    number =    {draft-ietf-mpls-spl-terminology-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-ietf-mpls-spl-terminology/02/},
    author =    {Loa Andersson and Kireeti Kompella and Adrian Farrel},
    title =     {{Special Purpose Label terminology}},
    pagetotal = 6,
    year =      2020,
    month =     may,
    day =       6,
    abstract =  {This document discusses and recommends a terminology that may be used when MPLS Special Purpose Labels (SPL) are specified and documented. This document updates RFC 7274 and RFC 3032.},
}