%% You should probably cite draft-bocci-mpls-tp-gach-gal instead of this I-D.
@techreport{vigoureux-mpls-tp-gal-00,
    number =    {draft-vigoureux-mpls-tp-gal-00},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-vigoureux-mpls-tp-gal/00/},
    author =    {Rahul Aggarwal and Martin Vigoureux and George Swallow and David Ward and Matthew Bocci},
    title =     {{Assignment of the Generic Associated Channel Header Label (GAL)}},
    pagetotal = 11,
    year =      2008,
    month =     jun,
    day =       26,
    abstract =  {This document describes the assignment of one of the reserved label values, defined in RFC 3032 {[}3{]}, to the 'Generic-ACH Label (GAL)', that is used as generic exception mechanism, for example by MPLS Transport Profile (MPLS-TP) for Operations and Management (OAM) functions.},
}