Go to Vermillion city(or whatever its called).Go to the fan club.Go to one of the people and he gives you it.
Chat with our AI personalities
You need the mystic ticket to get to navel rock on firered.
Nintendo event or cheating
The mystery ticket gives you to go to island 8 and9
from the Pokemon fan club leader in vermilion city
In Cerulean City. You have to go talk to the Pokemon Fan Club Chairman in Vermilion to get the bike voucher before you can get the bike though.