My daughter was ADDICTED to her paci!! At 3 or 4 months, she would wake up ALL them time when it would fall out of her mouth. We were getting up almost every hour or so to put the thing back in.
I tried putting several in her crib, attaching it to her clothes, attaching it to her lovey... NOTHING worked. For the sake of my (and my husband's) sanity we went cold turkey. It was the HARDEST thing to do!!! The first night she cried for 4 hours!!! I sat outside of her room on the floor in the hallway and cried too. The next night she cried for about 20 minutes and the next night it was only five minutes. By the fourth night we were done :)
Its not the easy way, but I think its the most effective when sleep deprivation is taking over your life. She still had her paci during the day for a couple of weeks, but having it alot during the day made the nights more difficult, so we took it away all together. She developed a stronger attachment to her lovey, and still has it now (she's 3.5). Good luck!