%% You should probably cite draft-ietf-pce-pcep-color instead of this I-D.
@techreport{rajagopalan-pce-pcep-color-01,
    number =    {draft-rajagopalan-pce-pcep-color-01},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-rajagopalan-pce-pcep-color/01/},
    author =    {Balaji Rajagopalan and Vishnu Pavan Beeram and Shaofu Peng and Quan Xiong and Mike Koldychev and Gyan Mishra},
    title =     {{Path Computation Element Protocol(PCEP) Extension for Color}},
    pagetotal = 9,
    year =      2021,
    month =     nov,
    day =       15,
    abstract =  {Color is a 32-bit numerical attribute that is used to associate a Traffic Engineering (TE) tunnel or policy with an intent or objective (e.g. low latency). This document specifies an extension to Path Computation Element Protocol (PCEP) to carry the color attribute.},
}