Generate Random values from SQL

DECLARE @SaltCount INT;
SELECT @SaltCount = COUNT(*) FROM tmp_NewLogin;
PRINT 'Set Salt values for all records' + CAST(@SaltCount AS VARCHAR(10))
DECLARE @CharPool CHAR(83);
DECLARE @Salt VARCHAR(10);
SET @CharPool = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!"#$%&()*+,-./:;<=>?@';

SET NOCOUNT ON;
updateSaltValue:
    SET @Salt = ''
    SELECT @Salt = @Salt + SUBSTRING(@CharPool, number, 1) FROM
    (
    SELECT TOP 10 number FROM MASTER..[spt_values] WHERE TYPE = 'p' AND Number BETWEEN 1 AND 83
    ORDER BY NEWID()
    ) AS t

    UPDATE TOP(1) [table] SET [Salt] = @Salt WHERE [Salt] IS NULL

IF (@@ROWCOUNT > 0)
    GOTO updateSaltValue

SET NOCOUNT OFF;

PRINT 'Completed setting salts for all records';

create view [dbo].[wrapped_rand_view]
as
select rand( ) as random_value

create function [dbo].[wrapped_rand]()
returns float
as
begin
declare @f float
set @f = (select random_value from wrapped_rand_view)
return @f

select substring(replace(newid(),'-',''),0,10)