%% You should probably cite draft-ietf-bess-evpn-irb-mcast instead of this I-D.
@techreport{lin-bess-evpn-irb-mcast-03,
    number =    {draft-lin-bess-evpn-irb-mcast-03},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-lin-bess-evpn-irb-mcast/03/},
    author =    {Wen Lin and Zhaohui (Jeffrey) Zhang and John Drake and Jorge Rabadan and Ali Sajassi},
    title =     {{EVPN Inter-subnet Multicast Forwarding}},
    pagetotal = 25,
    year =      2017,
    month =     mar,
    day =       13,
    abstract =  {This document describes inter-subnet multicast forwarding procedures for Ethernet VPNs (EVPN). This includes forwarding inside an EVN domain and to/from outside the EVPN domain.},
}