How to Change Database Characterset Using Template

 Hi Folks

Using 10.2.0.5 RDBMS on Windows 2003

I need to change the NLS_CHARACTERSET when i create a database using a template

vbut i doi not see where i have the opportunity to do so in Database Configuratin Assistant

Anyone know where I would make the change

current settings; need to change to AL32UT8

select * from nls_database_parameters where parameter like '%CHARACTERSET';

PARAMETER                                    VALUE

------------------------------                ----------------------------------------

NLS_CHARACTERSET                    WE8MSWIN1252

NLS_NCHAR_CHARACTERSET      AL16UTF16

Thanks

Jim