There are lots of different things that can be done to speed up a report - a lot of it depends on how the report is built in the first place.
Does "Crystal 11" mean Crystal XI or Crystal 2011? Please go to Help>>About and give us the exact version number that you're using.
What type of database are you connecting to? What type of connection are you using - e.g., ODBC, OleDB, Native Client, etc.
How are you connecting to the data - are you just using tables linked together or are you connecting to a stored procedure, or using a command or a universe? Are you using subreports? If so, what type of a section is the subreport in? How many rows of data are you processing? Also, please paste the contents of the selection formula from the Select Expert into your response.
-Dell