%% You should probably cite rfc8697 instead of this I-D.
@techreport{ietf-pce-association-group-01,
    number =    {draft-ietf-pce-association-group-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-ietf-pce-association-group/01/},
    author =    {Ina Minei and Edward Crabbe and Siva Sivabalan and Hariharan Ananthakrishnan and Xian Zhang and Yosuke Tanaka},
    title =     {{PCEP Extensions for Establishing Relationships Between Sets of LSPs}},
    pagetotal = 13,
    year =      2016,
    month =     jul,
    day =       7,
    abstract =  {This document introduces a generic mechanism to create a grouping of LSPs in the context of a PCE. This grouping can then be used to define associations between sets of LSPs or between a set of LSPs and a set of attributes (such as configuration parameters or behaviors), and is equally applicable to the active and passive modes of a stateful PCE as well as a stateless PCE.},
}