%% You should probably cite rfc7769 instead of this I-D.
@techreport{ietf-pals-mpls-tp-mac-wd-00,
    number =    {draft-ietf-pals-mpls-tp-mac-wd-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-ietf-pals-mpls-tp-mac-wd/00/},
    author =    {Siva Sivabalan and Sami Boutros and Himanshu C. Shah and Sam Aldrin and Mannan Venkatesan},
    title =     {{MAC Address Withdrawal over Static Pseudowire}},
    pagetotal = 9,
    year =      2015,
    month =     mar,
    day =       9,
    abstract =  {This document specifies a mechanism to signal MAC address withdrawal notification using PW Associated Channel (ACH). Such notification is useful when statically provisioned PWs are deployed in VPLS/H-VPLS environment.},
}