Pokémon Ruby and Sapphire/Tickets

Eon Ticket
Eon Ticket is a ticket gotten via an E-reader card. It was given away several times at special Nintendo events. The other legendary bird (Latios or Latias) is found using this card. On Southern Island you find the other one. To get their use the ticket on the S.S. Tidal. Once their go to the center to encounter the legendary.